TNPSC GROUP1 | MATHS RATIO/AGES/AVERAGE | CLASS 03 | Prelims | 7 DAYS PLAN | TAF IAS ACADEMY

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JAN 2020 CA:

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Practice Question (PDF); JANUARY MONTH

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[chandraleka.c]

Sheela=8
Leela=8/2=4
Leela age =4
Ramesh=4+6=10
Ramesh age =10
Krishnan=10+4
Krishnan age =14
Gobal=14-4
Global age=10
Answer=Ramesh and gobal

[jacobleo]

Q/s:43
10 முன்- B: x A: 4(x)
Now - B: x+10 A: 4x+10
10 பின்-. B: 2(x+10+10) A: 4x+10+10
2(x+20)=4x+20
2x+40=4x+20
20=2x
x=10
Current B=x+10
=20

[sivameenashig]

Q. NO:15.
3x-9/5x-9=12/23
by cross multiple, 69x-207=60x-108,
we got x=11,
Therefore, smallest num=3×11=33.
This method is very easy sir.

[rajeshwari.r]

Question number 51.answer A .sheela 8
Leela 8/2=4
Ramesh4 +6=10
Krishnan 10+4=14
Gopal 14-4=10
Ans gopal and ramesh same age.is this correct?

[godwinm]

Sir question 43 answer is 20. because neenga ratio va change panni poturukenga correct ratios 4:1 and 2:1

[GopiN]

43. Q answer 20 varum nu nenaikurean check pannunga sir

10yrs back a:b=4:1
10 yrs later a:b=2:1

(4x+20)1=(2x+40)
X=10
10 years back A:B=4:1
B's age 10 years ago is 1*10=10
B's age now is=10+10=20years

[Devi-fgnx]

Qs. No: 43 ans wrong sir. A kku pathila b yum b ku pathila a yum potuteenga. Ans is 20

[audiokathaigal]

sir questions ellam kjm bilingual la irundha understanding ku use aagum....tamil ye irukrathu naal kjm sirama romba super ah quick ah purinchika vachitenga ...very very thank you sir

[skssathish]

Q no 51
Ans A) gopal and ramesh
10 years

[nithiyaraj]

Question no.51 Ans.Option A Gopal and ramesh

[kalpanadeena]

Vayadhu kanakkil 43rd question, they asked B in vayadhu sir, so the answer is 20years

[selvisiva]

51). Ramesh 10 வயது, leela 4 வயது, sheela 8 வயது, gopal 10 வயது, krishnan 14 வயது

[Reshmi__Yovan]

Sir 43 rd question re check panunga... A thn 4 B 1 so answer :20 🤔

[muralimurugan]

Qn. 51 -> Option A ( Gopal & Ramesh)

[sugansugu]

Sheela- 8
Leela- 4
Ramesh -10
Gopal- 10
Krishnan - 14

So ans... gopal and Ramesh

[pavishp]

I am strong in general science but current affairs Ena pandrathunu theriyama iruntha then maths revision kum nenga rmba helpful ah irukuinga tq for your efforts 🥰

[sheebarani]

Qus no 43 is correct.. Present age A is 110 and B is 50 ..

[gsndudes]

sir .nice video 43 sum value change ans 20

[balatnpsc]

Sir unmaiya semmaya adukiringa naraya sums cover pandringa tq sir ... But neinga podra short cut andha time la purithu.... But short cut eppayumey set aaga matuthu sir.... Exam time la short cut use aaga matuthu sir... Forumal vachi podunga enemale it's my request

[vidhyas]

43 ku answer 20 sir. Check it.neenga a& b value vai interchange pannitinga